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Rotork plc: Valve Monitor

Description: The system comprises of a small, battery-powered valve monitoring device (VMD) that is installed on existing or new valve actuators using a NAMUR interface or on manual valves with an ISO 5211 interface. The VMD collects dynamics-of-state data from the actuator or valve and transmits it as a 64-point packet, providing the information required for preventive maintenance. A network of valve device routers (VDR) transfer the monitoring data from the VMDs to the tunneling VDR (TVDR), which is the last-hop VDR that transfers the data to the RI Wireless gateway, an industrial computer that manages the RI Wireless system. Several TVDRs can be connected to the RI Wireless gateway via Transmission Control Protocol (TCP) or Internet Protocol (IP) networks.

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